Set the tab name in iTerm to contain the current directory and git branch

gistfile1.sh

function set_iterm_title {
  echo -ne "\e]1;$1\a"
}

function git_branch {
  BRANCH_REFS=$(git symbolic-ref HEAD 2>/dev/null) || return
  GIT_BRANCH="${BRANCH_REFS#refs/heads/}"
  [ -n "$GIT_BRANCH" ] && echo "$GIT_BRANCH "
}

function precmd {
  set_iterm_title "${PWD//*\//} $(git_branch)"
  #PROMPT="%c %{$fg[cyan]%}$(git_branch)%{$reset_color%}%# "
}